Table 2 Comparison of the agreement on the grading of levator ani defects between the MRI, three-dimensional ultrasonography and two-dimensional ultrasonography.

From: Comparing two-dimensional ultrasonography with three-dimensional ultrasonography and MRI for the levator ani defects grading

  

MRI

MRI

Kappa

95% CI

Intact

Partial

Complete

2D-US

Intact

137

13

4

2D-US

Intact–Avulsion

0.79

0.71–0.87

Partial

4

49

2

Intact–Partial–Complete

0.78

0.71–0.86

Complete

2

3

24

Partial–Complete

0.86

0.73–0.97

  

MRI

MRI

Kappa

95% CI

Intact

Partial

Complete

3D-US

Intact

139

5

2

3D-US

Intact–Avulsion

0.90

0.84–0.96

Partial

1

45

4

Intact–Partial–Complete

0.77

0.70–0.84

Complete

3

15

24

Partial–Complete

0.55

0.36–0.71

  

3D-US

3D-US

Kappa

95% CI

Intact

Partial

Complete

2D-US

Intact

143

6

5

2D-US

Intact–Avulsion

0.87

0.81–0.93

Partial

1

39

15

Intact–Partial–Complete

0.73

0.65–0.80

Complete

2

5

22

Partial–Complete

0.49

0.29–0.68

  1. Avulsion including partial avulsion and complete avulsion, Intact no avulsions, Partial partial avulsion, Complete complete avulsion, MRI magnetic resonance imaging, 2D-US two-dimensional ultrasonography, CI confidence interval, 3D-US, three-dimensional ultrasonography.
Back to article page